Mild
Average highs are around 22°C, so days are mild rather than hot.
August verdict
Good for holiday weather
Average highs are around 22°C, so days are mild rather than hot. Sunshine averages 9.4h per day, so bright days are a strong part of the month. Rainfall averages 2mm, which is relatively low for holiday planning.
Monthly averages
Temp
22°C
Rain
2mm
Sun
9.4h
Sea
15°C
Weather score
63
Good
Mild
Average highs are around 22°C, so days are mild rather than hot.
Drier
Rainfall averages 2mm, which is relatively low for holiday planning.
Bright
Sunshine averages 9.4h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 15°C, so the water can feel cool.
Map
Compare Half Moon Bay, California, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
August22°C average high
August is one of Half Moon Bay's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to October
This stretch sets the upper range for average daytime heat.
August2mm average rain
August is one of Half Moon Bay's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsApril to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
August9.4 hours average sun
August is brighter than Half Moon Bay's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
August15°C average sea
August is one of Half Moon Bay's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to October
Sea temperatures are usually near 14°C in this stretch, so swimming comfort is at its strongest.
August63 weather score
August is one of Half Moon Bay's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsMay to September
These months have the strongest weather score in the monthly averages.